File: cxx2a-lambda-default-ctor-assign.cpp

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-20
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,909,296 kB
  • sloc: cpp: 6,667,975; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,992; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (22 lines) | stat: -rw-r--r-- 818 bytes parent folder | download | duplicates (26) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
// RUN: %clang_cc1 -std=c++2a -verify %s

void no_capture() {
  auto x = [] {};
  decltype(x) y;
  x = x;
  x = static_cast<decltype(x)&&>(x);
}

void capture_default(int i) {
  auto x = [=] {}; // expected-note 2{{candidate constructor}} expected-note 2{{lambda expression begins here}}
  decltype(x) y; // expected-error {{no matching constructor}}
  x = x; // expected-error {{cannot be assigned}}
  x = static_cast<decltype(x)&&>(x); // expected-error {{cannot be assigned}}
}

void explicit_capture(int i) {
  auto x = [i] {}; // expected-note 2{{candidate constructor}} expected-note 2{{lambda expression begins here}}
  decltype(x) y; // expected-error {{no matching constructor}}
  x = x; // expected-error {{cannot be assigned}}
  x = static_cast<decltype(x)&&>(x); // expected-error {{cannot be assigned}}
}